Event Number 204

M2.6 8 km ( 5 mi) E of Alum Rock, CA at 2013/01/14 07:22:18 UTC / 2013/01/14 07:22:18 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.1km (1.9 mi)
HYPO2K = 1.9km (1.2 mi) Magnitude = -0.4

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2013/01/14 07:22:18  37.380 -121.738  M2.6    7.5   8 km (  5 mi) E   of Alum Rock, CA

EQPROC Summary:

204 2013Jan14  722 18.18  37.4074 -121.7408  7.75 0.16 27.6 56.4 159  5
ADUB1 SHZ PN 01 2013Jan14  722 23.57 P ?0  27.6   0.00
COS   SHZ PN 07 2013Jan14  722 24.69 P U0  34.3   0.01
JCPZ  SHZ PN 08 2013Jan14  722 27.85 P U0  55.2  -0.36
B057  EHZ PB -- 2013Jan14  722 35.18 P ?3 100.2   0.04
B054  EHZ PB -- 2013Jan14  722 30.13 P D1  64.6   0.34

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2013-01-14  0722 18.54  37 23.76  121 44.45   7.74  0.23  2.29 20.34        3.00  3.00E
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    5    5  26.9  Emb  165   5   3   5   0   5      -                          5  0.39 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     3.00      5  0.39 E
 REGION=                          

 STA NET COM L CR DIST AZM  AN P/S WT   SEC (TOBS -TCAL -DLY  =RES)  WT   SR  INFO  CAL  DUR-W-FMAG-T -AMP-U-PER-W-XMAG-T DE
 ADUB1PN SHZ 01 A 26.9 233 102  P     23.57  5.03  4.94 0.00  0.09  1.25  W  0.977 0.00 54.0   3.00 E                        
 COS  PN SHZ 07 A 34.8  68  99  PU    24.69  6.15  6.20 0.00 -0.05  1.25  W  0.995 0.00  102   3.66 E                        
 JCPZ PN SHZ 08 A 55.8 293  96  PU    27.85  9.31  9.58 0.00 -0.27  1.25  W  0.762 0.00 55.0   3.11 E                        
 B054 PB EHZ -- A 65.5 322  95  PD 1  30.13 11.59 11.16 0.00  0.43  0.94  W  0.927 0.00 29.0   2.51 E                        
 B057 PB EHZ -- A101.0 315  93  P  3  35.18 16.64 16.91 0.00 -0.27  0.31  W  0.336 0.00 31.0   2.61 E                        

Event Files: January 2013